201990512900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{23539}}^1$

素因数の和:23862

約数の個数: 144

約数和(自身を含む): 496515096000

約数和(自身を除く): 294524583100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 269, 275, 290, 319, 538, 550, 580, 638, 725, 1076, 1100, 1276, 1345, 1450, 1595, 2690, 2900, 2959, 3190, 5380, 5918, 6380, 6725, 7801, 7975, 11836, 13450, 14795, 15602, 15950, 23539, 26900, 29590, 31204, 31900, 39005, 47078, 59180, 73975, 78010, 85811, 94156, 117695, 147950, 156020, 171622, 195025, 235390, 258929, 295900, 343244, 390050, 429055, 470780, 517858, 588475, 682631, 780100, 858110, 1035716, 1176950, 1294645, 1365262, 1716220, 2145275, 2353900, 2589290, 2730524, 3413155, 4290550, 5178580, 6331991, 6473225, 6826310, 7508941, 8581100, 12663982, 12946450, 13652620, 15017882, 17065775, 25327964, 25892900, 30035764, 31659955, 34131550, 37544705, 63319910, 68263100, 69651901, 75089410, 126639820, 139303802, 150178820, 158299775, 183627739, 187723525, 278607604, 316599550, 348259505, 367255478, 375447050, 633199100, 696519010, 734510956, 750894100, 918138695, 1393038020, 1741297525, 1836277390, 2019905129, 3482595050, 3672554780, 4039810258, 4590693475, 6965190100, 8079620516, 9181386950, 10099525645, 18362773900, 20199051290, 40398102580, 50497628225, 100995256450, 201990512900]

約数ペア:

[(1, 201990512900), (2, 100995256450), (4, 50497628225), (5, 40398102580), (10, 20199051290), (11, 18362773900), (20, 10099525645), (22, 9181386950), (25, 8079620516), (29, 6965190100), (44, 4590693475), (50, 4039810258), (55, 3672554780), (58, 3482595050), (100, 2019905129), (110, 1836277390), (116, 1741297525), (145, 1393038020), (220, 918138695), (269, 750894100), (275, 734510956), (290, 696519010), (319, 633199100), (538, 375447050), (550, 367255478), (580, 348259505), (638, 316599550), (725, 278607604), (1076, 187723525), (1100, 183627739), (1276, 158299775), (1345, 150178820), (1450, 139303802), (1595, 126639820), (2690, 75089410), (2900, 69651901), (2959, 68263100), (3190, 63319910), (5380, 37544705), (5918, 34131550), (6380, 31659955), (6725, 30035764), (7801, 25892900), (7975, 25327964), (11836, 17065775), (13450, 15017882), (14795, 13652620), (15602, 12946450), (15950, 12663982), (23539, 8581100), (26900, 7508941), (29590, 6826310), (31204, 6473225), (31900, 6331991), (39005, 5178580), (47078, 4290550), (59180, 3413155), (73975, 2730524), (78010, 2589290), (85811, 2353900), (94156, 2145275), (117695, 1716220), (147950, 1365262), (156020, 1294645), (171622, 1176950), (195025, 1035716), (235390, 858110), (258929, 780100), (295900, 682631), (343244, 588475), (390050, 517858), (429055, 470780)]